1 /*
2 Copyright (C) 2012 Johan Mattsson
3
4 This library is free software; you can redistribute it and/or modify
5 it under the terms of the GNU Lesser General Public License as
6 published by the Free Software Foundation; either version 3 of the
7 License, or (at your option) any later version.
8
9 This library is distributed in the hope that it will be useful, but
10 WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
13 */
14
15 namespace BirdFont {
16
17 public class Preview : FontDisplay {
18
19 public Preview () {
20 }
21
22 public override string get_name () {
23 return "Preview";
24 }
25
26 public override string get_label () {
27 return t_("Preview");
28 }
29
30 public override void selected_canvas () {
31 MainWindow.set_scrollbar_size (0);
32 }
33
34 public static string get_html_path () {
35 return (!) get_file ().get_path ();
36 }
37
38 public static File get_file () {
39 Font font = BirdFont.get_current_font ();
40 string fn = get_html_file_name ();
41 File dir = ExportTool.get_export_dir ();
42 File file = get_child (dir, fn);
43
44 if (!file.query_exists ()) {
45 ExportTool.generate_html_document ((!)file.get_path (), font);
46 }
47
48 return file;
49 }
50
51 public static bool has_html_document () {
52 string path = get_html_file_name ();
53 File dir = ExportTool.get_export_dir ();
54 File file = get_child (dir, path);
55 return file.query_exists ();
56 }
57
58 public static void generate_html_document () {
59 Font font = BirdFont.get_current_font ();
60 string path = get_html_file_name ();
61 File dir = ExportTool.get_export_dir ();
62 File file = get_child (dir, path);
63 ExportTool.generate_html_document ((!)file.get_path (), font);
64 }
65
66 public static void delete_html_document () {
67 Font font = BirdFont.get_current_font ();
68 string path = get_html_file_name ();
69 File dir = font.get_folder ();
70 File file = get_child (dir, path);
71 try {
72 file.delete ();
73 } catch (Error e) {
74 warning (e.message);
75 }
76 }
77
78 static string get_html_file_name () {
79 Font font = BirdFont.get_current_font ();
80 return @"$(ExportSettings.get_file_name (font)).html";
81 }
82
83 public static File get_html_file () {
84 return get_file ();
85 }
86
87 public static string get_uri () {
88 return TabContent.path_to_uri ((!) get_html_file ().get_path ());
89 }
90
91 public static string get_windows_uri () {
92 Font font = BirdFont.get_current_font ();
93 string html = get_html_file_name ();
94 File dir = font.get_folder ();
95 File file = get_child (dir, html);
96 return "file:///" + (!) file.get_path ();
97 }
98
99 public static string get_html_with_absolute_paths () {
100 // hack: force webkit to ignore cache in preview
101 StringBuilder sb = new StringBuilder ();
102 DataInputStream dis;
103 string? line;
104
105 uint rid = Random.next_int ();
106 Font font = BirdFont.get_current_font ();
107
108 File preview_directory;
109 File f_ttf;
110 File f_eot;
111 File f_svg;
112
113 try {
114 dis = new DataInputStream (get_file ().read ());
115
116 preview_directory = BirdFont.get_preview_directory ();
117
118 f_ttf = get_child (ExportTool.get_export_dir (), @"$(ExportSettings.get_file_name (font)).ttf");
119 f_eot = get_child (ExportTool.get_export_dir (), @"$(ExportSettings.get_file_name (font)).eot");
120 f_svg = get_child (ExportTool.get_export_dir (), @"$(ExportSettings.get_file_name (font)).svg");
121
122 if (!f_ttf.query_exists ()) {
123 warning ("TTF file does not exist.");
124 }
125
126 if (!f_svg.query_exists ()) {
127 warning ("SVG file does not exist.");
128 }
129
130 while ((line = dis.read_line (null)) != null) {
131 line = ((!) line).replace (@"$(ExportSettings.get_file_name (font)).ttf", @"$(TabContent.path_to_uri ((!) f_ttf.get_path ()))?$rid");
132 line = ((!) line).replace (@"$(ExportSettings.get_file_name (font)).eot", @"$(TabContent.path_to_uri ((!) f_eot.get_path ()))?$rid");
133 line = ((!) line).replace (@"$(ExportSettings.get_file_name (font)).svg", @"$(TabContent.path_to_uri ((!) f_svg.get_path ()))?$rid");
134 sb.append ((!) line);
135 }
136
137 } catch (Error e) {
138 warning (e.message);
139 warning ("Failed to load html into canvas.");
140 }
141 return sb.str;
142 }
143
144 public override bool needs_modifier () {
145 return true;
146 }
147
148 }
149 }
150